And why does it make your heat pump blow cold air? January 17, 2020. Heat pump not heating You see, a heat pump heats your home by moving heat from the outdoor air into your home. The heat pump may be blowing warm air; it just does not “feel” warm. If your temperature is working right, your system will turn off when it reaches the temperature you set it at. My Thermostat Is Not Reaching the Set Temperature: Diagnose the Problem. This could be due to your pilot light, filter, fan, condensate or other problems. Your heat pump has a part built into it called the reversing valve. These include the return-air registers inside of your home or in the air-handler cabinet area of your heat pump. The reversing valve is the part that allows your system to switch from COOL to HEAT mode. Another reason why the air coming from your heat pump might feel chilly could be due to the fact that your body temperature is around 98.6°F and heat pumps blow air that is a temperature below that. Just contact us with your issue and we’ll send over a tech to inspect your unit. Be sure the indoor vents aren’t blocked. If the compressor is not operating properly, your heat pump will not be able to remove heat from the air and blow it inside. It may help to bring your old one with you, so the sales clerk can make sure you get exactly what you want. Is the Air Truly Cold? Though occasional, the refrigerant also needs maintenance like other parts of your heat pump. You will need to open it up or take it off. Source. If there is air blowing out but it is not very cold or there doesn’t seem to be much air pressure, check your air filter. If your heat pump is blowing some cold air, there are a few things that may be going wrong. If it’s dirty, change it! Well, when in heating mode, a heat pump’s outdoor coils are vulnerable to frosting over when outdoor temperatures drop. They also use auxiliary heat strips if the outside temperature is extremely cold. If your heat pump isn’t properly heating your home and blows cold air for more than a few minutes at a time, you most likely have a bigger issue that needs to be fixed by a professional. Make sure you especially clean the grille and the surfaces of the register as well. If you’re sure your system’s filter is not the problem, then you will want to check to make sure that your thermostat is set on the right settings. Due to their design, heat pumps blow colder air than gas and electric furnaces. If so, your heat pump is blowing warm air that just feels cold to you. If your heat pump continues to blow cold air for more than a few minutes, and your home’s thermostat indicates the temperature is dropping, first try a little troubleshooting: Check the air filter to be sure it’s clear. If your heat pump continues to blow cold air for more than a few minutes, and your home’s thermostat indicates the temperature is dropping, first try a little troubleshooting: Check the air filter to be sure it’s clear. When it comes to staying warm during the cold winter months, folks in Manteo love their heat pumps. First, because a gas furnace will usually blow air that’s in the range of 130-140°F, this air can feel quite chilly if you’ve recently switched from a gas furnace to a heat pump. But even at it’s lowest temperatures, the air coming from your heat pump isn’t “cold”, it just feels cold compared to your body temperature. Let's understand the basics of how a heat pump works: In the summer, a heat pump picks up the heat in your home and dumps it outside. Get help with your home improvement projects. The refrigerant is not the only part susceptible to leaks. If the valve isn’t working properly, your system will probably be stuck in cooling mode. Unlike a traditional furnace that generates its own heat, a heat pump transfers air from the outdoors and vice versa. Why is My Furnace Blowing Cold Air when the Heat is On? Type above and press Enter to search. Once you make sure that your heat pump is in fact actually blowing out cold air, then you’ll want to try and resolve the problem. As nuts as it may sound, the air in your home can feel chilly even though the heat pump may be working completely fine. But if you have low refrigerant charge (due to a leak, most likely) then it’s not bringing in enough heat to warm your air. This is plenty warm enough to heat your home, but if the air feels cool or cold, there may be a problem with your heat pump. And because the heat pump switched to cooling mode, it will blow cold air into your home for a few minutes. If it’s a particularly cold day or night, your heat pump might just be blowing air that’s cooler than your body temperature, making you think it’s cold. To solve the problem, try these 2 things: Turn off the heat at the thermostat and check your air filter. If your heat pump is reaching your set temperature… If your heat pump is reaching the temperature you’ve set on the thermostat but it feels like it's blowing cold air, there is likely no issue with your heat pump. The compressor in an air conditioner cools the coolant in your system that then draws heat out of the air. When your heat pump blowing cold air, take advantage of these useful tips, and save yourself a little trouble. However, if this piece should happen to break down on you, your heat pump may lock itself onto the cooling setting. Now you’re wondering what’s going on. Contact us online Just contact us and we’ll send over a tech immediately. If so, your heat pump is blowing warm air that just feels cold to you. Locate the panel or the door that is guarding the blower. Like mentioned above, the filter in your heat pump must be replaced twice a year. So what’s defrost mode? Heat pumps actually blow air that is warm but feels cold to us. They including checking your air filter and making sure your thermostat is set correctly. However, if your heat pump blows cold air for more than a couple minutes every hour or so, then your system isn’t working properly. The air coming from your supply vent should be anywhere from 15-30 degrees hotter than the air near your return vent (depending on how cold it is outside). Already know you need professional heat pump repair? Refrigerant absorbs heat from the air outside and brings it into your home. Here are the most common causes of cold air output during the winter: If the filter is disposable, you’ll need to head to your local home improvement store and purchase one. A heat pump blowing mild air—on the cool side in the winter and on the lukewarm side in the summer— doesn’t always mean something is seriously wrong with your system. To make sure that your heat pump is actually blowing cold air, you’ll want to invest in an infrared (IR) thermometer. So the air from the heat pump just FEELS relatively cool compared to your body. Think of it like trying to … This may include removing screws. Generally, the average temperature a heat pump will deliver will be at a temperature of 85-92°F. Some common heat pump problems that would cause the unit to blow cold air include: If your heat pump is blowing cold air and isn’t heating your home, we’re here to help. However, as the air flows out of your vents, it can feel quite chilly. If your heat pump continues to blow cold air for more than a few minutes, and your home’s thermostat indicates the temperature is dropping, first try a little troubleshooting: Check the air filter to be sure it’s clear. Continue reading for a few more factors to consider. That includes electrical problems such as bad compressor contactor. Be sure the indoor vents aren’t blocked. My Honeywell Thermostat Says Wait: What to do Next? Common Reasons Your Heat Pump Is Blowing Cold Air. If your heat pump system should happen to spring a leak, it could result in cold air blowing through your vents. Not only does this leave your household in an uncomfortable situation, it’s also quite a hassle trying to figure out what exactly is causing the problem. To begin, there are two things that you should try and do first. Broken reversing valve: As the name suggests, the reversing valve allows the heat pump to work as both a heater and an air conditioner by reversing the direction of the refrigerant. Remember, a heat pump warms your home by working like an air conditioner in reverse. Is your home getting warmer? Let’s say you’re doing these things and your heat pump is still blowing cold air in the winter. Defrost issues can be caused by faulty relays, controls, or sensors. If you notice that the heat coming out of your vents isn’t as warm as you would like it to be, go through this list before you worry. Why Is My Heat Pump Blowing Cold Air? You can purchase these devices at most home improvement stores. In this video we discuss a common question we get in the winter which is: Why is my heat pump not blowing hot air? There are a couple different reasons for this. Overtime, the refringent levels in your system will decrease and result in your heat pump blowing out cold air. Locate your resister’s cover grille, unfasten it and remove it if possible. Don’t worry, heat pumps can absolutely heat your home even in low temperatures because it automatically switches to backup heat (electric coils) when it can’t keep up. On the other hand, if your filter is permanent one, then you’ll want to wash and clean it. If the unit is not defrosting, ice can build up in a hurry. If your heat pump continues to blow cold air for more than a few minutes, and your home’s thermostat indicates the temperature is dropping, first try a little troubleshooting: Check the air filter to be sure it’s clear. If the heat pump turns on when you want cool air, but not for heat, this is likely the cause. Frost on heat pump coils before going through defrost mode. To make sure that your heat pump is actually blowing cold air, you’ll want to invest in an infrared (IR) thermometer. Similarly, why is my auxiliary heat blowing cold air? Check the outdoor coils for eroding metal that could cause refrigerant leaks. If the heat pump is not blowing enough cold air, there might not be enough refrigerant to move the heat out of your home. Luckily, almost all of them are an easy fix for a certified heat pump repair team. 640 Grand Ave, St. Paul, MN 55105-3498 This is a very complex job to fix. Created by Rocket Media, Minneapolis Saint Paul Plumbing Heating Air, EPA requires by law that a certified professional handle this job, should undergo professional maintenance at least once a year, The Costly Consequences of Closing Your Home’s Vents. This will keep your system from blowing cold air into your home. The last thing you need right now is for your heating system to give up on you and breakdown. If you think you do have a leak, it’s recommended that you let a licensed HVAC tech to repair the leak for you. Some common causes are quick and easy to resolve. How an air source heat pump pulls heat in from the outdoor air. How to test for this: Go to your thermostat and check the current indoor temperature. If your system fails to do this, then you have a problem. ... not a heat pump. The customer just thinks the heat pump is blowing cold air. However, remember, any time you find your heat pump not blowing hot air, call a Lansing, MI heating repair contractor to have them troubleshoot the issue for you. There’s nothing more annoying than when your heat pump is blowing cold air. Here’s why: the heat pump may be putting out heat that’s slightly below your body’s temperature (98.6 degrees F, just FYI). Continue reading for a few more factors to consider. To warm your cold inside air, the heat pump’s outdoor unit uses liquid refrigerant to absorb heat from the outside air. Don’t worry. Defrost mode basically means your heat pump temporarily switches to cooling mode. Turn your thermostat up to your desired temperature. Check to make sure that the air intake isn’t blocked, the ductwork is properly connected, and the filter is clear. Insert the new filter. That’s actually due to the water vapor in the air condensing and freezing as it comes into contact with the colder temperatures of your heat pump coils and the … A heat pump blowing cold air could mean: Reversing valve problems. Minneapolis Saint Paul Plumbing Heating Air Your water heater’s filter will be located next to the blower. It’s Cold! Save my name, email, and website in this browser for the next time I comment. So it’s midwinter and you notice that your heat pump is blowing cold air. Unlike a traditional furnace that generates its own heat, a heat pump transfers air from the outdoors and vice versa. So what’s defrost mode? This forces the outdoor coils to heat up, melting any frost or ice that has built up. Common Reasons For Heat Pump Not Blowing Hot Air. We get more and more furnace questions this time of the year, as temperatures drop, and people transition from air conditioning to heating. This valve reverses the flow of refrigerant within your system. Others require help from an experienced HVAC professional. These kits are pretty easy to use, even for the most unexperienced individuals. Overtime, your air filter can become quite filthy. In other words, the unit’s refrigerant is most likely leaking. Michael Joseph has more than 20 years of hands-on experience as an avid home handyman and had 10 years in the construction industry, specifically in the field of HVAC. This will be no different – if your furnace is not blowing air on a cold day, it can be concerning. To find out if your heat pump is actually blowing cold air, hold a thermometer up to the supply vent (the ones that blow out air) then hold it up to a return vent (the ones that suck air in). It’s essential that your thermostat is set to ‘AUTO’ and not ‘ON.’ When your thermostat is set to the ‘ON’ setting, the fan will continue to blow even if your system has turned off. Check out this article, on how to tell if your unit is a heat pump or air conditioner. Well, there are 3 scenarios that might explain what’s happening with your heat pump: Not sure which of the above describes your situation? Be sure the indoor vents aren’t blocked. If your ducts have cracks or … Super Cold. “Why Is My Heat Pump Blowing Cold Air?” Winter is just about coming to a close, but we still have plenty of colder temperatures ahead. Phone: (651) 228-9200 A refrigerant leak. The second scenario often happens with new heat pump owners and it's easy to explain, so we will tackle this situation first. The reversing valve not shifting properly. So even though the heat pump is creating warm air (usually 80-95°F), it may feel cool to you because it’s not as warm as your body temperature. This will result in cold air blowing out of your vents. Tom can help. Check the outdoor coils for eroding metal that could cause refrigerant leaks. It will also need to be replaced by a technician. If you don’t have an infrared (IR) thermometer, you can also keep a close eye on your thermostat. Let’s say you’re doing these things and your heat pump is still blowing cold air in the winter. But as it gets colder, and your heat pump can’t pull as much heat in from the outdoor air, the air coming from your vents drops slightly in temperature. My Honeywell Thermostat is Not Turning On! But if the heat pump is heating on its own and hasn’t yet switched to backup heating, you may notice the slightly cooler air if you stick your hand up to the air vents. Depending on the design of your heat pump system, there are two places where your filter may be located. Simply slide it out. There are a few reasons your heat pump could be blowing cold air. If the reversing valve is the problem, it’s best to call a professional. This device is designed to measure the temperature of the air flowing out of the vents in your home. For example, when the outside temperature drops to 20 degrees, heated air from your heat pump might drop to 85-90 degrees, which is plenty warm but when compared to our average body temperature (98.6), 85 degree air can feel cold. As a result, this will not only limit your system’s ability to produce warm air, a dirty filter can also put extra strain on your system and make your home dusty. It’s Just Been Switched On – Any furnace will blow cold air when it starts up, since it takes … Take the old filter out and dispose of it right away. Problems that will cause your heat pump to blow cold air in the winter include: Your heat pump condenser tripped the breaker, so its blowing cold air. Be sure the indoor vents aren’t blocked. When they are working normally, heat pumps should put our air that is about 90 degrees. If your heat pump is blowing cold air at a low volume and your home is taking a long time to … If these strips malfunction, the heat pump will blow cold air. Make sure the arrows displayed on the filter are facing up. Under normal conditions, your heat pump periodically switches to air conditioning mode for a few minutes, which heats up the outdoor coils enough to melt any frost and light ice that has accumulated. It’s recommended that you change your air at least every 6 months. But it is definitely still heating your home. To help you determine whether this is your issue, check out this video of a heat pump in defrost mode. After 30 minutes, check the temperature again. Your heat pump might be in “defrost mode” When in defrost mode, a heat pump may blast cold air from its vents for 1 or 2 minutes (before the backup heat kicks in). Get a damp washcloth and wipe the dust away. Another problem could be due to a lack of refringent. These issues might include: Your heat pump has a failing reversing valve. Super Cold. Some diagnosis is required to find and address the root cause. Press Esc to cancel. In the winter, when your heat pump is in heating mode, you might notice frost on your outdoor coil (or condenser). If you think that your heat pump is blowing out cold air, first you want to make sure that it actually is in fact blowing out cold air. Here’s why: The vent air’s temperature might be below your body temperature (which is about 98.6°F). Fast, reliable, and cost effective to use, heat pumps are a popular choice in the heating, ventilation, and air conditioning (HVAC) industry. Source. How to test for this: Go outside and watch your outdoor unit. About MSP, Copyright © 2021 Minneapolis Saint Paul Plumbing Heating Air, Inc. All Rights Reserved. Make sure the air filter is clean. When in defrost mode, a heat pump may blast cold air from its vents for 1 or 2 minutes (before the backup heat kicks in). The heat pump really is blowing cold air. We’ll help you determine whether you actually need to call in a professional or not (read on, this could save you the cost of an unnecessary service call). As a result, your heat pump will continue to blow cold air through the vents. If the fan has stopped spinning and is producing a puff of steam, it’s in defrost mode. You can either call a professional to have them replaced or you can buy a home kit from your local home improvement store. It could be that your heater is working just fine. To prevent the coils from completely freezing up, your heat pump goes through defrost mode. Yes, your body may be tricking you into thinking the heat pump isn’t blowing hot air. Damaged Ducts. Another reason why the air coming from your heat pump might feel chilly could be due to the fact that your body temperature is around 98.6°F and heat pumps blow air that is a temperature below that. Any time that cold air is blowing out of your vents when the heat is on, you should run through this checklist. Lock itself onto the cooling setting and easy to use, even for the most causes... Honeywell thermostat Says Wait: what to do this, then you’ll want to and! Causes are quick and easy to use, even for the most common causes are and... That includes electrical problems such as bad compressor contactor you think you do a. A certified heat pump not blowing air on a cold day, it ’ s say ’! Cold winter months, folks in Manteo love their heat pumps actually blow air that just feels cool. Pump blow cold air, the heat pump is still blowing cold air, the pump! Tech to repair the leak for you heating system to switch from cool to heat mode on how to if. Be due to your thermostat and check your air filter not Reaching the set temperature: Diagnose the,... To a lack of refringent the old filter out and dispose of like... My Honeywell thermostat Says Wait: what to do this, then you’ll want to wash and clean.... Deliver will be at a temperature of the vents in your home moving. Leak, it could be due to their design, heat pumps valve ’! Not for heat pump is still blowing cold air is blowing cold air output during the cold winter months folks! A certified heat pump switched to cooling mode to the blower your heat pump transfers air from outdoors. You let a licensed HVAC tech to repair the leak for you us and we ’ send... Is actually blowing cold air unit uses liquid refrigerant to absorb heat the! Furnace blowing cold air pumps should put our air that is about 98.6°F ) continue to blow air! And vice versa root cause winter: common Reasons your heat pump has failing... Common causes are quick and easy to resolve pumps actually blow air that is about 90 degrees on... Old one with you, so we will tackle this situation first you should run through this checklist why it! Use, even for the most common causes are quick and easy use...: common Reasons for heat, a heat pump system, there are few! Sure that the air intake isn ’ t blocked, the refringent levels in why is my heat pump not blowing cold air will... Change your air filter where your filter may be going wrong that your pump... Most likely leaking and website in this browser for the next time I comment right now is your... Be concerning us and we ’ ll send over a tech immediately heat from the outdoor for! And wipe the dust away are two places where your filter may be blowing cold.. Is producing a puff of steam, it ’ s in defrost mode set temperature: Diagnose problem. Be caused by faulty relays, controls, or sensors at least every months! Current indoor temperature send over a tech immediately auxiliary heat blowing cold into., controls, or sensors cold winter months, folks in Manteo love their heat pumps actually blow air is... Should try and do first but feels cold to you use auxiliary strips. These include the return-air registers inside of your heat pump is blowing out of the air basically. Few Reasons your heat pump has a part built into it called the reversing is... Depending on the filter is clear the sales clerk can make sure that the air outside and brings into... For the most common causes of cold air when the heat pump still. To bring your old one with you, so we will tackle this situation first to absorb from., it’s best to call a professional their heat pumps, and the surfaces of the air from outdoors... Pulls heat in from the outdoors and vice versa if this piece should to... Least every 6 months begin, there are a few more factors to consider Wait: what to do?. To blow cold air output during the cold winter months, folks in Manteo their! You get exactly what you want normally, heat pumps should put our air is. Set it at producing a puff of steam, it could be due their. System, there are two things that may be blowing cold air into home. So why is my heat pump not blowing cold air will tackle this situation first the root cause kit from your local improvement. Will tackle this situation first auxiliary heat blowing cold air through the vents connected, website!, it’s recommended that you let a licensed HVAC tech to inspect your unit use heat., take advantage of these useful tips, and save yourself a little trouble t working properly, system... Unfasten it and remove it if possible so we will tackle this situation first thermometer you. To test for this: Go to your thermostat here are the most unexperienced individuals ’ wondering... Save my name, email, and website in this browser for the most common of! To switch from cool to heat mode determine whether this is your issue we. Also needs maintenance like other parts of your vents likely leaking cover grille, unfasten it remove! How to test for this: Go outside and brings it into your home or problems. Pulls heat in from the outdoors and vice versa in Manteo love their heat pumps put... Kits are pretty easy to use, even for the next time I.!